code: def test_can_use_cub_contiguous(self, axis):
      r_axis = axis
      i_shape = self.shape
      o_axis = tuple(i for i in range(len(i_shape)) if i not in r_axis)
      o_shape = tuple(self.shape[i] for i in o_axis)
      self._test_can_use(
          i_shape, o_shape, r_axis, o_axis, self.order, True
      )
  
imports: from itertools import combinations
  import unittest
  import sys
  import cupy
  from cupy import _environment
  from cupy import testing
  from cupy._core import _accelerator
  from cupy._core import _cub_reduction
  from cupy.cuda import memory
label_desc: Use image node_id 1 for calling the TestSimpleCubReductionKernelContiguity obj's underlying member method code with example usage: obj.test_can_use_cub_contiguous(axis) without return types